- [RBAC](https://docs.projectcalico.org/v3.2/getting-started/kubernetes/installation/rbac.yaml) - this creates the service account the CNI plugin is configured to use to access the kube-api-server...

	// CLI: -A ISTIO_PRERT -p tcp -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
	//
	// DESC: Anything that's already in conntrack as an established connection, accept
	iptablesBuilder.AppendRule(
		iptableslog.UndefinedCommand, ChainInpodPrerouting, iptablesconstants.MANGLE,
		"-p", "tcp",
		"-m", "conntrack",
		"--ctstate", "RELATED,ESTABLISHED",
		"-j", "ACCEPT",
	)

            # capabilities we actually require
            capabilities:
              drop:
              - ALL
              add:
              # CAP_NET_ADMIN is required to allow ipset and route table access
              - NET_ADMIN
              # CAP_NET_RAW is required to allow iptables mutation of the `nat` table
              - NET_RAW
              # CAP_SYS_ADMIN is required for both ambient and repair, in order to open